Esempio n. 1
0
File: dri3.c Progetto: sarnex/wine
BOOL
DRI3Open(Display *dpy, int screen, int *device_fd)
{
    xcb_dri3_open_cookie_t cookie;
    xcb_dri3_open_reply_t *reply;
    xcb_connection_t *xcb_connection = XGetXCBConnection(dpy);
    int fd;
    Window root = RootWindow(dpy, screen);

    cookie = xcb_dri3_open(xcb_connection, root, 0);

    reply = xcb_dri3_open_reply(xcb_connection, cookie, NULL);
    if (!reply)
        return FALSE;

    if (reply->nfd != 1) {
        free(reply);
        return FALSE;
    }

    fd = xcb_dri3_open_reply_fds(xcb_connection, reply)[0];
    fcntl(fd, F_SETFD, FD_CLOEXEC);

    *device_fd = fd;
    free(reply);

    return TRUE;
}
Esempio n. 2
0
/** loader_dri3_open
 *
 * Wrapper around xcb_dri3_open
 */
int
loader_dri3_open(xcb_connection_t *conn,
                 xcb_window_t root,
                 uint32_t provider)
{
   xcb_dri3_open_cookie_t       cookie;
   xcb_dri3_open_reply_t        *reply;
   int                          fd;

   cookie = xcb_dri3_open(conn,
                          root,
                          provider);

   reply = xcb_dri3_open_reply(conn, cookie, NULL);
   if (!reply)
      return -1;

   if (reply->nfd != 1) {
      free(reply);
      return -1;
   }

   fd = xcb_dri3_open_reply_fds(conn, reply)[0];
   fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);

   return fd;
}
Esempio n. 3
0
struct vl_screen *
vl_dri3_screen_create(Display *display, int screen)
{
   struct vl_dri3_screen *scrn;
   const xcb_query_extension_reply_t *extension;
   xcb_dri3_open_cookie_t open_cookie;
   xcb_dri3_open_reply_t *open_reply;
   xcb_get_geometry_cookie_t geom_cookie;
   xcb_get_geometry_reply_t *geom_reply;
   int is_different_gpu;
   int fd;

   assert(display);

   scrn = CALLOC_STRUCT(vl_dri3_screen);
   if (!scrn)
      return NULL;

   scrn->conn = XGetXCBConnection(display);
   if (!scrn->conn)
      goto free_screen;

   xcb_prefetch_extension_data(scrn->conn , &xcb_dri3_id);
   xcb_prefetch_extension_data(scrn->conn, &xcb_present_id);
   extension = xcb_get_extension_data(scrn->conn, &xcb_dri3_id);
   if (!(extension && extension->present))
      goto free_screen;
   extension = xcb_get_extension_data(scrn->conn, &xcb_present_id);
   if (!(extension && extension->present))
      goto free_screen;

   open_cookie = xcb_dri3_open(scrn->conn, RootWindow(display, screen), None);
   open_reply = xcb_dri3_open_reply(scrn->conn, open_cookie, NULL);
   if (!open_reply)
      goto free_screen;
   if (open_reply->nfd != 1) {
      free(open_reply);
      goto free_screen;
   }

   fd = xcb_dri3_open_reply_fds(scrn->conn, open_reply)[0];
   if (fd < 0) {
      free(open_reply);
      goto free_screen;
   }
   fcntl(fd, F_SETFD, FD_CLOEXEC);
   free(open_reply);

   fd = loader_get_user_preferred_fd(fd, &is_different_gpu);
   /* TODO support different GPU */
   if (is_different_gpu)
      goto close_fd;

   geom_cookie = xcb_get_geometry(scrn->conn, RootWindow(display, screen));
   geom_reply = xcb_get_geometry_reply(scrn->conn, geom_cookie, NULL);
   if (!geom_reply)
      goto close_fd;
   /* TODO support depth other than 24 */
   if (geom_reply->depth != 24) {
      free(geom_reply);
      goto close_fd;
   }
   free(geom_reply);

   if (pipe_loader_drm_probe_fd(&scrn->base.dev, fd))
      scrn->base.pscreen = pipe_loader_create_screen(scrn->base.dev);

   if (!scrn->base.pscreen)
      goto release_pipe;

   scrn->base.destroy = vl_dri3_screen_destroy;
   scrn->base.texture_from_drawable = vl_dri3_screen_texture_from_drawable;
   scrn->base.get_dirty_area = vl_dri3_screen_get_dirty_area;
   scrn->base.get_timestamp = vl_dri3_screen_get_timestamp;
   scrn->base.set_next_timestamp = vl_dri3_screen_set_next_timestamp;
   scrn->base.get_private = vl_dri3_screen_get_private;
   scrn->base.pscreen->flush_frontbuffer = vl_dri3_flush_frontbuffer;

   return &scrn->base;

release_pipe:
   if (scrn->base.dev) {
      pipe_loader_release(&scrn->base.dev, 1);
      fd = -1;
   }
close_fd:
   if (fd != -1)
      close(fd);
free_screen:
   FREE(scrn);
   return NULL;
}
Esempio n. 4
0
struct vl_screen *
vl_dri3_screen_create(Display *display, int screen)
{
   struct vl_dri3_screen *scrn;
   const xcb_query_extension_reply_t *extension;
   xcb_dri3_open_cookie_t open_cookie;
   xcb_dri3_open_reply_t *open_reply;
   xcb_get_geometry_cookie_t geom_cookie;
   xcb_get_geometry_reply_t *geom_reply;
   xcb_xfixes_query_version_cookie_t xfixes_cookie;
   xcb_xfixes_query_version_reply_t *xfixes_reply;
   xcb_generic_error_t *error;
   int fd;

   assert(display);

   scrn = CALLOC_STRUCT(vl_dri3_screen);
   if (!scrn)
      return NULL;

   scrn->conn = XGetXCBConnection(display);
   if (!scrn->conn)
      goto free_screen;

   xcb_prefetch_extension_data(scrn->conn , &xcb_dri3_id);
   xcb_prefetch_extension_data(scrn->conn, &xcb_present_id);
   xcb_prefetch_extension_data (scrn->conn, &xcb_xfixes_id);
   extension = xcb_get_extension_data(scrn->conn, &xcb_dri3_id);
   if (!(extension && extension->present))
      goto free_screen;
   extension = xcb_get_extension_data(scrn->conn, &xcb_present_id);
   if (!(extension && extension->present))
      goto free_screen;
   extension = xcb_get_extension_data(scrn->conn, &xcb_xfixes_id);
   if (!(extension && extension->present))
      goto free_screen;

   xfixes_cookie = xcb_xfixes_query_version(scrn->conn, XCB_XFIXES_MAJOR_VERSION,
                                            XCB_XFIXES_MINOR_VERSION);
   xfixes_reply = xcb_xfixes_query_version_reply(scrn->conn, xfixes_cookie, &error);
   if (!xfixes_reply || error || xfixes_reply->major_version < 2) {
      free(error);
      free(xfixes_reply);
      goto free_screen;
   }
   free(xfixes_reply);

   open_cookie = xcb_dri3_open(scrn->conn, RootWindow(display, screen), None);
   open_reply = xcb_dri3_open_reply(scrn->conn, open_cookie, NULL);
   if (!open_reply)
      goto free_screen;
   if (open_reply->nfd != 1) {
      free(open_reply);
      goto free_screen;
   }

   fd = xcb_dri3_open_reply_fds(scrn->conn, open_reply)[0];
   if (fd < 0) {
      free(open_reply);
      goto free_screen;
   }
   fcntl(fd, F_SETFD, FD_CLOEXEC);
   free(open_reply);

   fd = loader_get_user_preferred_fd(fd, &scrn->is_different_gpu);

   geom_cookie = xcb_get_geometry(scrn->conn, RootWindow(display, screen));
   geom_reply = xcb_get_geometry_reply(scrn->conn, geom_cookie, NULL);
   if (!geom_reply)
      goto close_fd;

   scrn->base.xcb_screen = dri3_get_screen_for_root(scrn->conn, geom_reply->root);
   if (!scrn->base.xcb_screen) {
      free(geom_reply);
      goto close_fd;
   }

   /* TODO support depth other than 24 or 30 */
   if (geom_reply->depth != 24 && geom_reply->depth != 30) {
      free(geom_reply);
      goto close_fd;
   }
   scrn->base.color_depth = geom_reply->depth;
   free(geom_reply);

   if (pipe_loader_drm_probe_fd(&scrn->base.dev, fd))
      scrn->base.pscreen = pipe_loader_create_screen(scrn->base.dev);

   if (!scrn->base.pscreen)
      goto release_pipe;

   scrn->pipe = scrn->base.pscreen->context_create(scrn->base.pscreen,
                                                   NULL, 0);
   if (!scrn->pipe)
       goto no_context;

   scrn->base.destroy = vl_dri3_screen_destroy;
   scrn->base.texture_from_drawable = vl_dri3_screen_texture_from_drawable;
   scrn->base.get_dirty_area = vl_dri3_screen_get_dirty_area;
   scrn->base.get_timestamp = vl_dri3_screen_get_timestamp;
   scrn->base.set_next_timestamp = vl_dri3_screen_set_next_timestamp;
   scrn->base.get_private = vl_dri3_screen_get_private;
   scrn->base.pscreen->flush_frontbuffer = vl_dri3_flush_frontbuffer;
   scrn->base.set_back_texture_from_output = vl_dri3_screen_set_back_texture_from_output;

   scrn->next_back = 1;
   return &scrn->base;

no_context:
   scrn->base.pscreen->destroy(scrn->base.pscreen);
release_pipe:
   if (scrn->base.dev) {
      pipe_loader_release(&scrn->base.dev, 1);
      fd = -1;
   }
close_fd:
   if (fd != -1)
      close(fd);
free_screen:
   FREE(scrn);
   return NULL;
}